How you adjust the time and date?

Good day, Sorry for the late reply because Chinese New Year holiday. Here is the video, please note to hold left key, down key and the menu key to change the date. Anything else we could help, please contact us via Amazon messages. Stay healthy. Mesue

Does this bt780 battery tester need the voltage higher than 9V to run the printer?

No it has a 9 volt battery in it as well so as long as that battery is good the voltage of the cars battery doesn’t matter

How to update the software of this BT780 battery tester?

Hello Dear, Thanks for your inquiry. Here are the steps about how to update this BT780 battery tester: 1. Power on the battery tester and find FORMAT CARD on the main menu. 2. Remove TF card from the tester and connect it to computer via card reader in the case. 3. Download BT780_Firmware_V... from Foxwell website(old and new are all allowed). 4. Put TF card back to the analyzer, and select FIRWARE UPDATE from the Main menu. 5. Input 1234 and click Enter button. After the tester restart automatically, the software is updated successfully. If you have any other questions, pls feel free to contact us directly below. Best wishes, OBDZON amazonsupport@foxwelltech.com

Is there U.S. based support?

Hi Wayne C., thanks for your inquiry. Yes, usually Foxwell BT780 car battery tester supports U.S. Any other questions, please feel free to contact us for further assistance. :) May you and your family safe and healthy! OBDZON Link to contact us: https://amzn.to/3poRTiH Email: amazonsupport@foxwelltech.com

Foxwell Bt780 Car Battery Tester W Printer 24v 12v Alternator

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

¥78630

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Description

🔧 Diagnose like a pro, print like a boss!

INDEPENDENT POWER SOURCE - Built-in battery lets you test anytime, even on weak or dead batteries without interference.
INSTANT JAM FREE PRINTING - Print clear, professional reports on-site—no apps, Bluetooth, or subscriptions needed.
RUGGED PROFESSIONAL DESIGN - 6.5 ft reinforced cables, large LCD, heavy-duty clamps & protective case built for daily pro use.
CUSTOMIZABLE MULTI USER REPORTS - Supports 4 user profiles with traceable, branded reports for streamlined service management.
COMPREHENSIVE BATTERY DIAGNOSTICS - Test voltage, internal resistance, SOC & SOH across 12V/24V systems for precise insights.

The FOXWELL BT780 is a professional-grade car battery tester and alternator analyzer supporting 12V and 24V systems with a wide 100-2000 CCA range. Featuring jam-free thermal printing, a built-in battery for independent power, and customizable multi-user report management, it’s designed for technicians, dealerships, fleets, and savvy DIYers who demand fast, reliable diagnostics and clear, on-the-spot reporting.

Specifications

ASIN	B07XFHGZ3N
Best Sellers Rank	#338,106 in Automotive ( See Top 100 in Automotive ) #239 in Battery Testers
Brand	FOXWELL
Brand Name	FOXWELL
Color	Foxwell BT780 6v/12v/24v Battery Tester
Customer Reviews	4.2 out of 5 stars 148 Reviews
Included Components	battery tester
Item Highlight	Upgraded of BT705, 100-2000CCA Car Battery SOC SOH Cranking Starter Charging System Alternator Tester for Marine Heavy Duty
Item Weight	16 ounces
Manufacturer	foxwell
Measurement Type	Battery Tester
Min. Operating Voltage	5 volts
Minimum Operating Voltage	5 volts
Model	Foxwell BT780 Digital Battery Analyzer
Number of Items	1
Part Number	foxwell bt780
Power Source	Battery Powered
Style	car Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers Style car Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers See more
Style Name	car Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers
UPC	712321445025
Upper Temperature Rating	60 °C

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

¥78630

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews

FOXWELL BT780 Car Battery Tester w/Printer 24v 12v, Alternator Analyzer

Details

Details

Description

Specifications

Common Questions